body { font-family: Helvetica; }
body { -webkit-text-size-adjust: 100%;}
button,input,a { -webkit-tap-highlight-color:rgba(0,0,0,0) }
button,input { -webkit-appearance: none; border-radius: none}
body,h1,h2,h3,h4,h5,h6,p {margin: 0}